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Comfort Access Battery

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Old 06-23-2006, 12:33 PM
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I can't seem to get a straight answer on this. Is the battery in the Comfort Access key FOB rechargeable? My Dealer says yes, but many on this forum say no. Has a definitive conclusion been reached? If it's not rechargeable, I won't bother trying to recharge it in the ignition slot. I love this forum because its members often have much better knowledge than the Dealers do.
Old 06-23-2006, 03:52 PM
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Originally Posted by woody' post='302169' date='Jun 23 2006, 03:33 PM
I can't seem to get a straight answer on this. Is the battery in the Comfort Access key FOB rechargeable? My Dealer says yes, but many on this forum say no. Has a definitive conclusion been reached? If it's not rechargeable, I won't bother trying to recharge it in the ignition slot. I love this forum because its members often have much better knowledge than the Dealers do.
Per the manual it is not. You can of course remove it and double check - I think the manual has instructions on that as well.
Old 06-23-2006, 04:00 PM
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Its not rechargeable.. You have to replace the battery if its dead
Old 06-23-2006, 06:06 PM
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I seem to remember that it IS rechargable. You're supposed to use it in the ignition slot a couple of times/year. When I get home I'll check my manual. I seem to remember reading it somewhere.
Old 06-23-2006, 06:40 PM
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at first when it came out I thought it was rechargable too but I think now or pretty sure its not... the battery does have to be changed when its dead. The old BMW key is rechargable... the dealer must have confused the two...
Old 06-24-2006, 07:27 PM
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I think I was wrong.

Here's a couple of pages from the 2007 manual. Essentially it's saying the comfort access fob contains "replaceable" batteries. They must be replaced.

Comfort Access Battery-p28.jpg
Comfort Access Battery-p40.jpg
Old 06-26-2006, 05:49 AM
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Originally Posted by Landa220' post='302658' date='Jun 24 2006, 11:27 PM
I think I was wrong.

Here's a couple of pages from the 2007 manual. Essentially it's saying the comfort access fob contains "replaceable" batteries. They must be replaced.

Attachment 20920
Attachment 20921
Thanks for all the input. I think we now have a definitive answer.
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